USB devices and ports are now the most ubiquitous item one can related to a computer product other then maybe the VGA connector or Ethernet port. With that said, it’s now the mainstream bus used to power and recharge most computer devices and gadgets. However, just because it will charge of USB doesn’t mean it’s all that easy and efficient. There is a lot more into charging via USB then you’d ever imagine.
With some devices you get a fast charge. With other devices you get a slow charge. So what’s the deal?
In most cases when you see a slow charging device it means the manufacturer made a digital signature that is compatible with the power charger which came with the device. Any other USB port used to charge the product simply isn’t as efficient…and that’s by design!
This post is just an appetizer for all the dirty little secrets related to USB charging devices, to get a little deeper into the details click over to Embedded.com and get the full story.
Source/Image source: EETimes.com.
